Fairy Gone
フェアリーゴーン (original)
Able to summon fairies as alter-ego weapons, former soldiers become government dogs, mafia members, and even terrorists in search of purpose beyond the battlefield. Who will maintain the peace they all fought for nine years ago?
Starring Tomoaki Maeno, Yoshimasa Hosoya, Kana Ichinose, Ayaka Fukuhara
It's a animation and action & adventure show, and has a rating of 5.7 out of 10 from Imdb which is fairly okay for this kind of show.
Watch it here
Not found streaming from United Kingdom.